tix/test/watch.test.nix

{
  describe,
  it,
  ...
}: let
  mockpkgs = {
    writeShellScriptBin = name: content: content;
    inotify-tools = "inotify-tools";
  };
  watch = import ../tix/watch.nix mockpkgs;
in
  describe "watch" [
    (it "watches a the local directory and runs command on change" {
      actual = watch {
        cmd = "run me";
      };
      expected = ''
        while true
        do
          run me &
          inotify-tools/bin/inotifywait -e modify -r .
          ${""}
        done
      '';
    })
    (it "runs the command provided to stop execution" {
      actual = watch {
        cmd = "run me";
        stop = "kill me";
      };
      expected = ''
        while true
        do
          run me &
          inotify-tools/bin/inotifywait -e modify -r .
          kill me
        done
      '';
    })
    (it "pipes output to given command" {
      actual = watch {
        cmd = "run me";
        stop = "kill me";
        view = "less";
      };
      expected = ''
        while true
        do
          run me | less &
          inotify-tools/bin/inotifywait -e modify -r .
          kill me
        done
      '';
    })
  ]